کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5185543 | 1381080 | 2008 | 8 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Synthesis, characterization and optical properties of cross-linkable poly(phthalazinone ether ketone sulfone) Synthesis, characterization and optical properties of cross-linkable poly(phthalazinone ether ketone sulfone)](/preview/png/5185543.png)
Cross-linkable poly(phthalazinone ether ketone sulfone) bearing tetrafluorostyrene groups (PPEKS-FSt) has been prepared by copolycondensation reaction for optical waveguide applications. The resulting amorphous polymer exhibits good solubility in some common polar organic solvents (e.g., N,Nâ²-dimethylacetamide, N-methyl-2-pyrrolidinone, chloroform) at room temperature, and can be easily spin-coated into thin films with good optical quality. The glass transition temperature (Tg) and the temperature of 1% weight loss (1% Td) are 261 °C and 494 °C, respectively, which could be further increased by 31 °C and 14 °C upon thermal cross-linking. The cross-linked polymer thin films exhibit high refractive index (â¼1.65, TE mode), high thermo-optic coefficient value (dn/dT) (â1.455 Ã 10â4/°C, TE mode), low optical loss (less than 0.24 dB/cm at 1310 nm) and relatively low birefringence (â¼0.007).
Journal: Polymer - Volume 49, Issue 3, 4 February 2008, Pages 724-731